59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import abc
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import logging
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import six
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from keystoneclient.auth import base
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LOG = logging.getLogger(__name__)
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@six.add_metaclass(abc.ABCMeta)
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class BaseIdentityPlugin(base.BaseAuthPlugin):
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def __init__(self,
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auth_url=None,
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username=None,
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password=None,
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token=None,
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trust_id=None):
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super(BaseIdentityPlugin, self).__init__()
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self.auth_url = auth_url
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self.username = username
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self.password = password
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self.token = token
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self.trust_id = trust_id
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self.auth_ref = None
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@abc.abstractmethod
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def get_auth_ref(self, session, **kwargs):
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"""Obtain a token from an OpenStack Identity Service.
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This method is overridden by the various token version plugins.
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This function should not be called independently and is expected to be
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invoked via the do_authenticate function.
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:returns AccessInfo: Token access information.
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"""
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def get_token(self, session, **kwargs):
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if not self.auth_ref or self.auth_ref.will_expire_soon(1):
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self.auth_ref = self.get_auth_ref(session, **kwargs)
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return self.auth_ref.auth_token
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